3 * Copyright (c) 1987-1997, Larry Wall
5 * You may distribute under the terms of either the GNU General Public
6 * License or the Artistic License, as specified in the README file.
15 * This file is being used for x2p stuff.
16 * Above symbol is defined via -D in 'x2p/Makefile.SH'
17 * Decouple x2p stuff from some of perls more extreme eccentricities.
25 #endif /* PERL_FOR_X2P */
34 # define stringify_immed(s) #s
35 # define stringify(s) stringify_immed(s)
36 register struct op *op asm(stringify(OP_IN_REGISTER));
41 * STMT_START { statements; } STMT_END;
42 * can be used as a single statement, as in
43 * if (x) STMT_START { ... } STMT_END; else ...
45 * Trying to select a version that gives no warnings...
47 #if !(defined(STMT_START) && defined(STMT_END))
48 # if defined(__GNUC__) && !defined(__STRICT_ANSI__) && !defined(__cplusplus)
49 # define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */
52 /* Now which other defined()s do we need here ??? */
53 # if (VOIDFLAGS) && (defined(sun) || defined(__sun__))
54 # define STMT_START if (1)
55 # define STMT_END else (void)0
57 # define STMT_START do
58 # define STMT_END while (0)
65 #define WITH_THR(s) do { dTHR; s; } while (0)
71 /*typedef CRITICAL_SECTION perl_mutex;*/
72 typedef HANDLE perl_mutex;
73 typedef HANDLE perl_cond;
74 typedef DWORD perl_key;
77 typedef pthread_mutex_t perl_mutex;
78 typedef pthread_cond_t perl_cond;
79 typedef pthread_key_t perl_key;
81 #endif /* FAKE_THREADS */
82 #endif /* USE_THREADS */
85 * SOFT_CAST can be used for args to prototyped functions to retain some
86 * type checking; it only casts if the compiler does not know prototypes.
88 #if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
89 #define SOFT_CAST(type)
91 #define SOFT_CAST(type) (type)
95 # define BYTEORDER 0x1234
98 /* Overall memory policy? */
104 * The following contortions are brought to you on behalf of all the
105 * standards, semi-standards, de facto standards, not-so-de-facto standards
106 * of the world, as well as all the other botches anyone ever thought of.
107 * The basic theory is that if we work hard enough here, the rest of the
108 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
111 /* define this once if either system, instead of cluttering up the src */
112 #if defined(MSDOS) || defined(atarist) || defined(WIN32)
116 #if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus)
117 # define STANDARD_C 1
120 #if defined(__cplusplus) || defined(WIN32)
121 # define DONT_DECLARE_STD 1
124 #if defined(HASVOLATILE) || defined(STANDARD_C)
126 # define VOL // to temporarily suppress warnings
128 # define VOL volatile
134 #define TAINT (tainted = TRUE)
135 #define TAINT_NOT (tainted = FALSE)
136 #define TAINT_IF(c) if (c) { tainted = TRUE; }
137 #define TAINT_ENV() if (tainting) { taint_env(); }
138 #define TAINT_PROPER(s) if (tainting) { taint_proper(no_security, s); }
140 /* XXX All process group stuff is handled in pp_sys.c. Should these
141 defines move there? If so, I could simplify this a lot. --AD 9/96.
143 /* Process group stuff changed from traditional BSD to POSIX.
144 perlfunc.pod documents the traditional BSD-style syntax, so we'll
145 try to preserve that, if possible.
148 # define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
150 # if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
151 # define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
153 # ifdef HAS_SETPGRP2 /* DG/UX */
154 # define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
158 #if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
159 # define HAS_SETPGRP /* Well, effectively it does . . . */
162 /* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
163 our life easier :-) so we'll try it.
166 # define BSD_GETPGRP(pid) getpgid((pid))
168 # if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
169 # define BSD_GETPGRP(pid) getpgrp((pid))
171 # ifdef HAS_GETPGRP2 /* DG/UX */
172 # define BSD_GETPGRP(pid) getpgrp2((pid))
176 #if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
177 # define HAS_GETPGRP /* Well, effectively it does . . . */
180 /* These are not exact synonyms, since setpgrp() and getpgrp() may
181 have different behaviors, but perl.h used to define USE_BSDPGRP
182 (prior to 5.003_05) so some extension might depend on it.
184 #if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
190 #ifndef _TYPES_ /* If types.h defines this it's easy. */
191 # ifndef major /* Does everyone's types.h define this? */
192 # include <sys/types.h>
206 # include <varargs.h>
212 #ifdef USE_NEXT_CTYPE
214 #if NX_CURRENT_COMPILER_RELEASE >= 400
215 #include <objc/NXCType.h>
216 #else /* NX_CURRENT_COMPILER_RELEASE < 400 */
217 #include <appkit/NXCType.h>
218 #endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
220 #else /* !USE_NEXT_CTYPE */
222 #endif /* USE_NEXT_CTYPE */
224 #ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
232 #if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
234 # if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
235 && defined(HAS_STRXFRM)
236 # define USE_LOCALE_COLLATE
238 # if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
239 # define USE_LOCALE_CTYPE
241 # if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
242 # define USE_LOCALE_NUMERIC
244 #endif /* !NO_LOCALE && HAS_SETLOCALE */
249 # ifdef PARAM_NEEDS_TYPES
250 # include <sys/types.h>
252 # include <sys/param.h>
256 /* Use all the "standard" definitions? */
257 #if defined(STANDARD_C) && defined(I_STDLIB)
261 /* This comes after <stdlib.h> so we don't try to change the standard
262 * library prototypes; we'll use our own in proto.h instead. */
267 # define malloc Mymalloc
268 # define calloc Mycalloc
269 # define realloc Myremalloc
272 # ifdef EMBEDMYMALLOC
273 # define malloc Perl_malloc
274 # define calloc Perl_calloc
275 # define realloc Perl_realloc
276 # define free Perl_free
283 # define safemalloc malloc
284 # define safecalloc calloc
285 # define saferealloc realloc
286 # define safefree free
288 #endif /* MYMALLOC */
290 #define MEM_SIZE Size_t
292 #if defined(STANDARD_C) && defined(I_STDDEF)
294 # define STRUCT_OFFSET(s,m) offsetof(s,m)
296 # define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
299 #if defined(I_STRING) || defined(__cplusplus)
302 # include <strings.h>
305 #if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
307 #define strrchr rindex
315 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
317 extern char * memcpy _((char*, char*, int));
323 # define memcpy(d,s,l) bcopy(s,d,l)
325 # define memcpy(d,s,l) my_bcopy(s,d,l)
328 #endif /* HAS_MEMCPY */
331 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
333 extern char *memset _((char*, int, int));
337 # define memset(d,c,l) my_memset(d,c,l)
338 #endif /* HAS_MEMSET */
340 #if !defined(HAS_MEMMOVE) && !defined(memmove)
341 # if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
342 # define memmove(d,s,l) bcopy(s,d,l)
344 # if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
345 # define memmove(d,s,l) memcpy(d,s,l)
347 # define memmove(d,s,l) my_bcopy(s,d,l)
352 #if defined(mips) && defined(ultrix) && !defined(__STDC__)
356 #if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
357 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
359 extern int memcmp _((char*, char*, int));
363 # pragma function(memcmp)
367 # define memcmp my_memcmp
369 #endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
373 # define memzero(d,l) memset(d,0,l)
376 # define memzero(d,l) bzero(d,l)
378 # define memzero(d,l) my_bzero(d,l)
385 # define bcmp(s1,s2,l) memcmp(s1,s2,l)
387 #endif /* !HAS_BCMP */
390 # include <netinet/in.h>
393 #if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
394 /* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
395 * (the neo-BSD seem to do this). */
400 # include <sys/stat.h>
403 /* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
404 like UTekV) are broken, sometimes giving false positives. Undefine
405 them here and let the code below set them to proper values.
407 The ghs macro stands for GreenHills Software C-1.8.5 which
408 is the C compiler for sysV88 and the various derivatives.
409 This header file bug is corrected in gcc-2.5.8 and later versions.
410 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
412 #if defined(uts) || (defined(m88k) && defined(ghs))
426 # ifdef I_SYS_TIME_KERNEL
429 # include <sys/time.h>
430 # ifdef I_SYS_TIME_KERNEL
435 #if defined(HAS_TIMES) && defined(I_SYS_TIMES)
436 # include <sys/times.h>
439 #if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
445 # define mkfifo(path, mode) (mknod((path), (mode) | S_IFIFO, 0))
447 #endif /* !HAS_MKFIFO */
452 # include <net/errno.h>
457 # define SETERRNO(errcode,vmserrcode) \
459 set_errno(errcode); \
460 set_vaxc_errno(vmserrcode); \
463 # define SETERRNO(errcode,vmserrcode) errno = (errcode)
467 extern int errno; /* ANSI allows errno to be an lvalue expr */
472 char *strerror _((int,...));
474 #ifndef DONT_DECLARE_STD
475 char *strerror _((int));
479 # define Strerror strerror
482 # ifdef HAS_SYS_ERRLIST
484 extern char *sys_errlist[];
486 # define Strerror(e) \
487 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
494 # include <sys/ioctl.h>
498 #if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
499 # ifdef HAS_SOCKETPAIR
500 # undef HAS_SOCKETPAIR
515 /* Configure already sets Direntry_t */
516 #if defined(I_DIRENT)
518 # if defined(NeXT) && defined(I_SYS_DIR) /* NeXT needs dirent + sys/dir.h */
519 # include <sys/dir.h>
523 # include <sys/ndir.h>
527 # include <ndir.h> /* may be wrong in the future */
529 # include <sys/dir.h>
536 /* work around botch in SunOS 4.0.1 and 4.0.2 */
538 # define fputs(sv,fp) fprintf(fp,"%s",sv)
543 * The following gobbledygook brought to you on behalf of __STDC__.
544 * (I could just use #ifndef __STDC__, but this is more bulletproof
545 * in the face of half-implementations.)
550 # define S_IFMT _S_IFMT
552 # define S_IFMT 0170000
557 # define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
561 # define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
566 # define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
568 # define S_ISBLK(m) (0)
573 # define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
578 # define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
580 # define S_ISFIFO(m) (0)
586 # define S_ISLNK(m) _S_ISLNK(m)
589 # define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
592 # define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
594 # define S_ISLNK(m) (0)
602 # define S_ISSOCK(m) _S_ISSOCK(m)
605 # define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
608 # define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
610 # define S_ISSOCK(m) (0)
618 # define S_IRUSR S_IREAD
619 # define S_IWUSR S_IWRITE
620 # define S_IXUSR S_IEXEC
622 # define S_IRUSR 0400
623 # define S_IWUSR 0200
624 # define S_IXUSR 0100
626 # define S_IRGRP (S_IRUSR>>3)
627 # define S_IWGRP (S_IWUSR>>3)
628 # define S_IXGRP (S_IXUSR>>3)
629 # define S_IROTH (S_IRUSR>>6)
630 # define S_IWOTH (S_IWUSR>>6)
631 # define S_IXOTH (S_IXUSR>>6)
635 # define S_ISUID 04000
639 # define S_ISGID 02000
646 #if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
647 # define SLOPPYDIVIDE
654 /* XXX QUAD stuff is not currently supported on most systems.
655 Specifically, perl internals don't support long long. Among
656 the many problems is that some compilers support long long,
657 but the underlying library functions (such as sprintf) don't.
658 Some things do work (such as quad pack/unpack on convex);
659 also some systems use long long for the fpos_t typedef. That
662 The IV type is supposed to be long enough to hold any integral
664 --Andy Dougherty August 1996
671 # define Quad_t long long
673 # if BYTEORDER > 0xFFFF
682 typedef unsigned Quad_t UV;
683 # define IV_MAX PERL_QUAD_MAX
684 # define IV_MIN PERL_QUAD_MIN
685 # define UV_MAX PERL_UQUAD_MAX
686 # define UV_MIN PERL_UQUAD_MIN
689 typedef unsigned long UV;
690 # define IV_MAX PERL_LONG_MAX
691 # define IV_MIN PERL_LONG_MIN
692 # define UV_MAX PERL_ULONG_MAX
693 # define UV_MIN PERL_ULONG_MIN
696 /* Previously these definitions used hardcoded figures.
697 * It is hoped these formula are more portable, although
698 * no data one way or another is presently known to me.
699 * The "PERL_" names are used because these calculated constants
700 * do not meet the ANSI requirements for LONG_MAX, etc., which
701 * need to be constants acceptable to #if - kja
702 * define PERL_LONG_MAX 2147483647L
703 * define PERL_LONG_MIN (-LONG_MAX - 1)
704 * define PERL ULONG_MAX 4294967295L
707 #ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
716 * Try to figure out max and min values for the integral types. THE CORRECT
717 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
718 * following hacks are used if neither limits.h or values.h provide them:
719 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
720 * for types < int: (unsigned TYPE)~(unsigned)0
721 * The argument to ~ must be unsigned so that later signed->unsigned
722 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
723 * and it must not be smaller than int because ~ does integral promotion.
724 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
725 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
726 * The latter is a hack which happens to work on some machines but
727 * does *not* catch any random system, or things like integer types
728 * with NaN if that is possible.
730 * All of the types are explicitly cast to prevent accidental loss of
731 * numeric range, and in the hope that they will be less likely to confuse
732 * over-eager optimizers.
736 #define PERL_UCHAR_MIN ((unsigned char)0)
739 # define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
742 # define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
744 # define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
749 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
750 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
751 * depending on local options. Until Configure detects this (or at least
752 * detects whether the "signed" keyword is available) the CHAR ranges
753 * will not be included. UCHAR functions normally.
757 #define PERL_USHORT_MIN ((unsigned short)0)
760 # define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
763 # define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
765 # define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
770 # define PERL_SHORT_MAX ((short)SHORT_MAX)
772 # ifdef MAXSHORT /* Often used in <values.h> */
773 # define PERL_SHORT_MAX ((short)MAXSHORT)
775 # define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
780 # define PERL_SHORT_MIN ((short)SHORT_MIN)
783 # define PERL_SHORT_MIN ((short)MINSHORT)
785 # define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
790 # define PERL_UINT_MAX ((unsigned int)UINT_MAX)
793 # define PERL_UINT_MAX ((unsigned int)MAXUINT)
795 # define PERL_UINT_MAX (~(unsigned int)0)
799 #define PERL_UINT_MIN ((unsigned int)0)
802 # define PERL_INT_MAX ((int)INT_MAX)
804 # ifdef MAXINT /* Often used in <values.h> */
805 # define PERL_INT_MAX ((int)MAXINT)
807 # define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
812 # define PERL_INT_MIN ((int)INT_MIN)
815 # define PERL_INT_MIN ((int)MININT)
817 # define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
822 # define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
825 # define PERL_ULONG_MAX ((unsigned long)MAXULONG)
827 # define PERL_ULONG_MAX (~(unsigned long)0)
831 #define PERL_ULONG_MIN ((unsigned long)0L)
834 # define PERL_LONG_MAX ((long)LONG_MAX)
836 # ifdef MAXLONG /* Often used in <values.h> */
837 # define PERL_LONG_MAX ((long)MAXLONG)
839 # define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
844 # define PERL_LONG_MIN ((long)LONG_MIN)
847 # define PERL_LONG_MIN ((long)MINLONG)
849 # define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
856 # define PERL_UQUAD_MAX ((UV)UQUAD_MAX)
858 # define PERL_UQUAD_MAX (~(UV)0)
861 # define PERL_UQUAD_MIN ((UV)0)
864 # define PERL_QUAD_MAX ((IV)QUAD_MAX)
866 # define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
870 # define PERL_QUAD_MIN ((IV)QUAD_MIN)
872 # define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
877 /* Digital UNIX defines a typedef CONTEXT when pthreads is in use */
879 # define CONTEXT PERL_CONTEXT
882 typedef MEM_SIZE STRLEN;
884 typedef struct op OP;
885 typedef struct cop COP;
886 typedef struct unop UNOP;
887 typedef struct binop BINOP;
888 typedef struct listop LISTOP;
889 typedef struct logop LOGOP;
890 typedef struct condop CONDOP;
891 typedef struct pmop PMOP;
892 typedef struct svop SVOP;
893 typedef struct gvop GVOP;
894 typedef struct pvop PVOP;
895 typedef struct loop LOOP;
897 typedef struct Outrec Outrec;
898 typedef struct interpreter PerlInterpreter;
900 typedef struct ff FF; /* XXX not defined anywhere, should go? */
902 typedef struct sv SV;
903 typedef struct av AV;
904 typedef struct hv HV;
905 typedef struct cv CV;
906 typedef struct regexp REGEXP;
907 typedef struct gp GP;
908 typedef struct gv GV;
909 typedef struct io IO;
910 typedef struct context CONTEXT;
911 typedef struct block BLOCK;
913 typedef struct magic MAGIC;
914 typedef struct xrv XRV;
915 typedef struct xpv XPV;
916 typedef struct xpviv XPVIV;
917 typedef struct xpvuv XPVUV;
918 typedef struct xpvnv XPVNV;
919 typedef struct xpvmg XPVMG;
920 typedef struct xpvlv XPVLV;
921 typedef struct xpvav XPVAV;
922 typedef struct xpvhv XPVHV;
923 typedef struct xpvgv XPVGV;
924 typedef struct xpvcv XPVCV;
925 typedef struct xpvbm XPVBM;
926 typedef struct xpvfm XPVFM;
927 typedef struct xpvio XPVIO;
928 typedef struct mgvtbl MGVTBL;
929 typedef union any ANY;
933 typedef I32 (*filter_t) _((int, SV *, int));
934 #define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
935 #define FILTER_DATA(idx) (AvARRAY(rsfp_filters)[idx])
936 #define FILTER_ISREADER(idx) (idx >= AvFILL(rsfp_filters))
949 # include "./plan9/plan9ish.h"
951 # include "unixish.h"
957 # define STATUS_NATIVE statusvalue_vms
958 # define STATUS_NATIVE_EXPORT \
959 ((I32)statusvalue_vms == -1 ? 44 : statusvalue_vms)
960 # define STATUS_NATIVE_SET(n) \
962 statusvalue_vms = (n); \
963 if ((I32)statusvalue_vms == -1) \
965 else if (statusvalue_vms & STS$M_SUCCESS) \
967 else if ((statusvalue_vms & STS$M_SEVERITY) == 0) \
968 statusvalue = 1 << 8; \
970 statusvalue = (statusvalue_vms & STS$M_SEVERITY) << 8; \
972 # define STATUS_POSIX statusvalue
973 # ifdef VMSISH_STATUS
974 # define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
976 # define STATUS_CURRENT STATUS_POSIX
978 # define STATUS_POSIX_SET(n) \
981 if (statusvalue != -1) { \
982 statusvalue &= 0xFFFF; \
983 statusvalue_vms = statusvalue ? 44 : 1; \
985 else statusvalue_vms = -1; \
987 # define STATUS_ALL_SUCCESS (statusvalue = 0, statusvalue_vms = 1)
988 # define STATUS_ALL_FAILURE (statusvalue = 1, statusvalue_vms = 44)
990 # define STATUS_NATIVE STATUS_POSIX
991 # define STATUS_NATIVE_EXPORT STATUS_POSIX
992 # define STATUS_NATIVE_SET STATUS_POSIX_SET
993 # define STATUS_POSIX statusvalue
994 # define STATUS_POSIX_SET(n) \
997 if (statusvalue != -1) \
998 statusvalue &= 0xFFFF; \
1000 # define STATUS_CURRENT STATUS_POSIX
1001 # define STATUS_ALL_SUCCESS (statusvalue = 0)
1002 # define STATUS_ALL_FAILURE (statusvalue = 1)
1005 /* Some unistd.h's give a prototype for pause() even though
1006 HAS_PAUSE ends up undefined. This causes the #define
1007 below to be rejected by the compmiler. Sigh.
1012 #define Pause() sleep((32767<<16)+32767)
1016 # ifdef IOCPARM_MASK
1017 /* on BSDish systes we're safe */
1018 # define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
1020 /* otherwise guess at what's safe */
1021 # define IOCPARM_LEN(x) 256
1030 void (*any_dptr) _((void*));
1034 #define ARGSproto struct thread *
1036 #define ARGSproto void
1037 #endif /* USE_THREADS */
1039 /* Work around some cygwin32 problems with importing global symbols */
1040 #if defined(CYGWIN32) && defined(DLLIMPORT)
1041 # include "cw32imp.h"
1058 /* work around some libPW problems */
1063 #if defined(iAPX286) || defined(M_I286) || defined(I80286)
1067 #if defined(htonl) && !defined(HAS_HTONL)
1070 #if defined(htons) && !defined(HAS_HTONS)
1073 #if defined(ntohl) && !defined(HAS_NTOHL)
1076 #if defined(ntohs) && !defined(HAS_NTOHS)
1080 #if (BYTEORDER & 0xffff) != 0x4321
1086 #define htons my_swap
1087 #define htonl my_htonl
1088 #define ntohs my_swap
1089 #define ntohl my_ntohl
1092 #if (BYTEORDER & 0xffff) == 0x4321
1101 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
1104 #if BYTEORDER != 0x1234
1109 # if BYTEORDER == 0x4321
1110 # define vtohl(x) ((((x)&0xFF)<<24) \
1112 +(((x)&0x0000FF00)<<8) \
1113 +(((x)&0x00FF0000)>>8) )
1114 # define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
1115 # define htovl(x) vtohl(x)
1116 # define htovs(x) vtohs(x)
1118 /* otherwise default to functions in util.c */
1122 #define U_S(what) ((U16)(what))
1123 #define U_I(what) ((unsigned int)(what))
1124 #define U_L(what) ((U32)(what))
1129 U32 cast_ulong _((double));
1133 #define U_S(what) ((U16)cast_ulong((double)(what)))
1134 #define U_I(what) ((unsigned int)cast_ulong((double)(what)))
1135 #define U_L(what) (cast_ulong((double)(what)))
1139 #define I_32(what) ((I32)(what))
1140 #define I_V(what) ((IV)(what))
1141 #define U_V(what) ((UV)(what))
1146 I32 cast_i32 _((double));
1147 IV cast_iv _((double));
1148 UV cast_uv _((double));
1152 #define I_32(what) (cast_i32((double)(what)))
1153 #define I_V(what) (cast_iv((double)(what)))
1154 #define U_V(what) (cast_uv((double)(what)))
1168 # define TMPPATH "/tmp/perl-eXXXXXX"
1172 Uid_t getuid _((void));
1173 Uid_t geteuid _((void));
1174 Gid_t getgid _((void));
1175 Gid_t getegid _((void));
1179 #ifndef Perl_debug_log
1180 #define Perl_debug_log PerlIO_stderr()
1184 #define DEBUG(a) if (debug) a
1185 #define DEBUG_p(a) if (debug & 1) a
1186 #define DEBUG_s(a) if (debug & 2) a
1187 #define DEBUG_l(a) if (debug & 4) a
1188 #define DEBUG_t(a) if (debug & 8) a
1189 #define DEBUG_o(a) if (debug & 16) a
1190 #define DEBUG_c(a) if (debug & 32) a
1191 #define DEBUG_P(a) if (debug & 64) a
1192 #define DEBUG_m(a) if (curinterp && debug & 128) a
1193 #define DEBUG_f(a) if (debug & 256) a
1194 #define DEBUG_r(a) if (debug & 512) a
1195 #define DEBUG_x(a) if (debug & 1024) a
1196 #define DEBUG_u(a) if (debug & 2048) a
1197 #define DEBUG_L(a) if (debug & 4096) a
1198 #define DEBUG_H(a) if (debug & 8192) a
1199 #define DEBUG_X(a) if (debug & 16384) a
1200 #define DEBUG_D(a) if (debug & 32768) a
1221 #define YYMAXDEPTH 300
1223 #ifndef assert /* <assert.h> might have been included somehow */
1224 #define assert(what) DEB( { \
1226 croak("Assertion failed: file \"%s\", line %d", \
1227 __FILE__, __LINE__); \
1233 I32 (*uf_val)_((IV, SV*));
1234 I32 (*uf_set)_((IV, SV*));
1238 /* Fix these up for __STDC__ */
1239 #ifndef DONT_DECLARE_STD
1240 char *mktemp _((char*));
1241 double atof _((const char*));
1245 /* All of these are in stdlib.h or time.h for ANSI C */
1247 struct tm *gmtime(), *localtime();
1248 char *strchr(), *strrchr();
1249 char *strcpy(), *strcat();
1250 #endif /* ! STANDARD_C */
1259 double exp _((double));
1260 double log _((double));
1261 double log10 _((double));
1262 double sqrt _((double));
1263 double frexp _((double,int*));
1264 double ldexp _((double,int));
1265 double modf _((double,double*));
1266 double sin _((double));
1267 double cos _((double));
1268 double atan2 _((double,double));
1269 double pow _((double,double));
1276 #ifdef __NeXT__ /* or whatever catches all NeXTs */
1277 char *crypt (); /* Maybe more hosts will need the unprototyped version */
1279 char *crypt _((const char*, const char*));
1281 #ifndef DONT_DECLARE_STD
1283 char *getenv _((const char*));
1285 Off_t lseek _((int,Off_t,int));
1287 char *getlogin _((void));
1290 #ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
1291 #define UNLINK unlnk
1292 I32 unlnk _((char*));
1294 #define UNLINK unlink
1297 #ifndef HAS_SETREUID
1298 # ifdef HAS_SETRESUID
1299 # define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
1300 # define HAS_SETREUID
1303 #ifndef HAS_SETREGID
1304 # ifdef HAS_SETRESGID
1305 # define setregid(r,e) setresgid(r,e,(Gid_t)-1)
1306 # define HAS_SETREGID
1310 typedef Signal_t (*Sighandler_t) _((int));
1312 #ifdef HAS_SIGACTION
1313 typedef struct sigaction Sigsave_t;
1315 typedef Sighandler_t Sigsave_t;
1326 # define PAD_SV(po) pad_sv(po)
1327 # define RUNOPS_DEFAULT runops_debug
1329 # define PAD_SV(po) curpad[po]
1330 # define RUNOPS_DEFAULT runops_standard
1334 * These need prototyping here because <proto.h> isn't
1335 * included until after runops is initialised.
1338 int runops_standard _((void));
1340 int runops_debug _((void));
1348 EXT PerlInterpreter * curinterp; /* currently running interpreter */
1350 EXT perl_key thr_key; /* For per-thread struct thread ptr */
1351 EXT perl_mutex sv_mutex; /* Mutex for allocating SVs in sv.c */
1352 EXT perl_mutex malloc_mutex; /* Mutex for malloc */
1353 EXT perl_mutex eval_mutex; /* Mutex for doeval */
1354 EXT perl_cond eval_cond; /* Condition variable for doeval */
1355 EXT struct thread * eval_owner; /* Owner thread for doeval */
1356 EXT int nthreads; /* Number of threads currently */
1357 EXT perl_mutex threads_mutex; /* Mutex for nthreads and thread list */
1358 EXT perl_cond nthreads_cond; /* Condition variable for nthreads */
1360 EXT struct thread * thr; /* Currently executing (fake) thread */
1362 #endif /* USE_THREADS */
1364 /* VMS doesn't use environ array and NeXT has problems with crt0.o globals */
1365 #if !defined(VMS) && !(defined(NeXT) && defined(__DYNAMIC__))
1366 #ifndef DONT_DECLARE_STD
1367 extern char ** environ; /* environment variables supplied via exec */
1370 # if defined(NeXT) && defined(__DYNAMIC__)
1372 # include <mach-o/dyld.h>
1373 EXT char *** environ_pointer;
1374 # define environ (*environ_pointer)
1376 #endif /* environ processing */
1378 EXT int uid; /* current real user id */
1379 EXT int euid; /* current effective user id */
1380 EXT int gid; /* current real group id */
1381 EXT int egid; /* current effective group id */
1382 EXT bool nomemok; /* let malloc context handle nomem */
1383 EXT U32 an; /* malloc sequence number */
1384 EXT U32 cop_seqmax; /* statement sequence number */
1385 EXT U16 op_seqmax; /* op sequence number */
1386 EXT U32 evalseq; /* eval sequence number */
1387 EXT U32 sub_generation; /* inc to force methods to be looked up again */
1388 EXT char ** origenviron;
1390 EXT HV * pidstatus; /* pid-to-status mappings for waitpid */
1391 EXT U32 * profiledata;
1392 EXT int maxo INIT(MAXO);/* Number of ops */
1393 EXT char * osname; /* operating system */
1394 EXT char * sh_path INIT(SH_PATH); /* full path of shell */
1395 EXT Sighandler_t sighandlerp;
1397 EXT XPV* xiv_arenaroot; /* list of allocated xiv areas */
1398 EXT IV ** xiv_root; /* free xiv list--shared by interpreters */
1399 EXT double * xnv_root; /* free xnv list--shared by interpreters */
1400 EXT XRV * xrv_root; /* free xrv list--shared by interpreters */
1401 EXT XPV * xpv_root; /* free xpv list--shared by interpreters */
1402 EXT HE * he_root; /* free he list--shared by interpreters */
1403 EXT char * nice_chunk; /* a nice chunk of memory to reuse */
1404 EXT U32 nice_chunk_size;/* how nice the chunk of memory is */
1406 /* Stack for currently executing thread--context switch must handle this. */
1407 EXT SV ** stack_base; /* stack->array_ary */
1408 EXT SV ** stack_sp; /* stack pointer now */
1409 EXT SV ** stack_max; /* stack->array_ary + stack->array_max */
1411 /* likewise for these */
1413 #ifdef OP_IN_REGISTER
1414 EXT OP * opsave; /* save current op register across longjmps */
1416 EXT OP * op; /* current op--when not in a global register */
1418 EXT int (*runops) _((void)) INIT(RUNOPS_DEFAULT);
1419 EXT I32 * scopestack; /* blocks we've entered */
1420 EXT I32 scopestack_ix;
1421 EXT I32 scopestack_max;
1423 EXT ANY* savestack; /* to save non-local values on */
1424 EXT I32 savestack_ix;
1425 EXT I32 savestack_max;
1427 EXT OP ** retstack; /* returns we've pushed */
1428 EXT I32 retstack_ix;
1429 EXT I32 retstack_max;
1431 EXT I32 * markstack; /* stackmarks we're remembering */
1432 EXT I32 * markstack_ptr; /* stackmarks we're remembering */
1433 EXT I32 * markstack_max; /* stackmarks we're remembering */
1440 EXT char tokenbuf[256];
1441 EXT struct stat statbuf;
1443 EXT struct tms timesbuf;
1445 EXT STRLEN na; /* for use in SvPV when length is Not Applicable */
1447 /* for tmp use in stupid debuggers */
1452 /* handy constants */
1453 EXTCONST char * Yes INIT("1");
1454 EXTCONST char * No INIT("");
1455 EXTCONST char * hexdigit INIT("0123456789abcdef0123456789ABCDEFx");
1456 EXTCONST char * patleave INIT("\\.^$@dDwWsSbB+*?|()-nrtfeaxc0123456789[{]}");
1457 EXTCONST char * vert INIT("|");
1459 EXTCONST char warn_uninit[]
1460 INIT("Use of uninitialized value");
1461 EXTCONST char warn_nosemi[]
1462 INIT("Semicolon seems to be missing");
1463 EXTCONST char warn_reserved[]
1464 INIT("Unquoted string \"%s\" may clash with future reserved word");
1465 EXTCONST char warn_nl[]
1466 INIT("Unsuccessful %s on filename containing newline");
1467 EXTCONST char no_wrongref[]
1468 INIT("Can't use %s ref as %s ref");
1469 EXTCONST char no_symref[]
1470 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
1471 EXTCONST char no_usym[]
1472 INIT("Can't use an undefined value as %s reference");
1473 EXTCONST char no_aelem[]
1474 INIT("Modification of non-creatable array value attempted, subscript %d");
1475 EXTCONST char no_helem[]
1476 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
1477 EXTCONST char no_modify[]
1478 INIT("Modification of a read-only value attempted");
1479 EXTCONST char no_mem[]
1480 INIT("Out of memory!\n");
1481 EXTCONST char no_security[]
1482 INIT("Insecure dependency in %s%s");
1483 EXTCONST char no_sock_func[]
1484 INIT("Unsupported socket function \"%s\" called");
1485 EXTCONST char no_dir_func[]
1486 INIT("Unsupported directory function \"%s\" called");
1487 EXTCONST char no_func[]
1488 INIT("The %s function is unimplemented");
1489 EXTCONST char no_myglob[]
1490 INIT("\"my\" variable %s can't be in a package");
1496 EXT char * cshname INIT(CSH);
1501 EXT char *sig_name[] = { SIG_NAME };
1502 EXT int sig_num[] = { SIG_NUM };
1503 EXT SV * psig_ptr[sizeof(sig_num)/sizeof(*sig_num)];
1504 EXT SV * psig_name[sizeof(sig_num)/sizeof(*sig_num)];
1506 EXT char *sig_name[];
1508 EXT SV * psig_ptr[];
1509 EXT SV * psig_name[];
1512 /* fast case folding tables */
1515 EXTCONST unsigned char fold[] = {
1516 0, 1, 2, 3, 4, 5, 6, 7,
1517 8, 9, 10, 11, 12, 13, 14, 15,
1518 16, 17, 18, 19, 20, 21, 22, 23,
1519 24, 25, 26, 27, 28, 29, 30, 31,
1520 32, 33, 34, 35, 36, 37, 38, 39,
1521 40, 41, 42, 43, 44, 45, 46, 47,
1522 48, 49, 50, 51, 52, 53, 54, 55,
1523 56, 57, 58, 59, 60, 61, 62, 63,
1524 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1525 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1526 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1527 'x', 'y', 'z', 91, 92, 93, 94, 95,
1528 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1529 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1530 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1531 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1532 128, 129, 130, 131, 132, 133, 134, 135,
1533 136, 137, 138, 139, 140, 141, 142, 143,
1534 144, 145, 146, 147, 148, 149, 150, 151,
1535 152, 153, 154, 155, 156, 157, 158, 159,
1536 160, 161, 162, 163, 164, 165, 166, 167,
1537 168, 169, 170, 171, 172, 173, 174, 175,
1538 176, 177, 178, 179, 180, 181, 182, 183,
1539 184, 185, 186, 187, 188, 189, 190, 191,
1540 192, 193, 194, 195, 196, 197, 198, 199,
1541 200, 201, 202, 203, 204, 205, 206, 207,
1542 208, 209, 210, 211, 212, 213, 214, 215,
1543 216, 217, 218, 219, 220, 221, 222, 223,
1544 224, 225, 226, 227, 228, 229, 230, 231,
1545 232, 233, 234, 235, 236, 237, 238, 239,
1546 240, 241, 242, 243, 244, 245, 246, 247,
1547 248, 249, 250, 251, 252, 253, 254, 255
1550 EXTCONST unsigned char fold[];
1554 EXT unsigned char fold_locale[] = {
1555 0, 1, 2, 3, 4, 5, 6, 7,
1556 8, 9, 10, 11, 12, 13, 14, 15,
1557 16, 17, 18, 19, 20, 21, 22, 23,
1558 24, 25, 26, 27, 28, 29, 30, 31,
1559 32, 33, 34, 35, 36, 37, 38, 39,
1560 40, 41, 42, 43, 44, 45, 46, 47,
1561 48, 49, 50, 51, 52, 53, 54, 55,
1562 56, 57, 58, 59, 60, 61, 62, 63,
1563 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1564 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1565 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1566 'x', 'y', 'z', 91, 92, 93, 94, 95,
1567 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1568 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1569 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1570 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1571 128, 129, 130, 131, 132, 133, 134, 135,
1572 136, 137, 138, 139, 140, 141, 142, 143,
1573 144, 145, 146, 147, 148, 149, 150, 151,
1574 152, 153, 154, 155, 156, 157, 158, 159,
1575 160, 161, 162, 163, 164, 165, 166, 167,
1576 168, 169, 170, 171, 172, 173, 174, 175,
1577 176, 177, 178, 179, 180, 181, 182, 183,
1578 184, 185, 186, 187, 188, 189, 190, 191,
1579 192, 193, 194, 195, 196, 197, 198, 199,
1580 200, 201, 202, 203, 204, 205, 206, 207,
1581 208, 209, 210, 211, 212, 213, 214, 215,
1582 216, 217, 218, 219, 220, 221, 222, 223,
1583 224, 225, 226, 227, 228, 229, 230, 231,
1584 232, 233, 234, 235, 236, 237, 238, 239,
1585 240, 241, 242, 243, 244, 245, 246, 247,
1586 248, 249, 250, 251, 252, 253, 254, 255
1589 EXT unsigned char fold_locale[];
1593 EXTCONST unsigned char freq[] = { /* letter frequencies for mixed English/C */
1594 1, 2, 84, 151, 154, 155, 156, 157,
1595 165, 246, 250, 3, 158, 7, 18, 29,
1596 40, 51, 62, 73, 85, 96, 107, 118,
1597 129, 140, 147, 148, 149, 150, 152, 153,
1598 255, 182, 224, 205, 174, 176, 180, 217,
1599 233, 232, 236, 187, 235, 228, 234, 226,
1600 222, 219, 211, 195, 188, 193, 185, 184,
1601 191, 183, 201, 229, 181, 220, 194, 162,
1602 163, 208, 186, 202, 200, 218, 198, 179,
1603 178, 214, 166, 170, 207, 199, 209, 206,
1604 204, 160, 212, 216, 215, 192, 175, 173,
1605 243, 172, 161, 190, 203, 189, 164, 230,
1606 167, 248, 227, 244, 242, 255, 241, 231,
1607 240, 253, 169, 210, 245, 237, 249, 247,
1608 239, 168, 252, 251, 254, 238, 223, 221,
1609 213, 225, 177, 197, 171, 196, 159, 4,
1610 5, 6, 8, 9, 10, 11, 12, 13,
1611 14, 15, 16, 17, 19, 20, 21, 22,
1612 23, 24, 25, 26, 27, 28, 30, 31,
1613 32, 33, 34, 35, 36, 37, 38, 39,
1614 41, 42, 43, 44, 45, 46, 47, 48,
1615 49, 50, 52, 53, 54, 55, 56, 57,
1616 58, 59, 60, 61, 63, 64, 65, 66,
1617 67, 68, 69, 70, 71, 72, 74, 75,
1618 76, 77, 78, 79, 80, 81, 82, 83,
1619 86, 87, 88, 89, 90, 91, 92, 93,
1620 94, 95, 97, 98, 99, 100, 101, 102,
1621 103, 104, 105, 106, 108, 109, 110, 111,
1622 112, 113, 114, 115, 116, 117, 119, 120,
1623 121, 122, 123, 124, 125, 126, 127, 128,
1624 130, 131, 132, 133, 134, 135, 136, 137,
1625 138, 139, 141, 142, 143, 144, 145, 146
1628 EXTCONST unsigned char freq[];
1633 EXTCONST char* block_type[] = {
1642 EXTCONST char* block_type[];
1646 /*****************************************************************************/
1647 /* This lexer/parser stuff is currently global since yacc is hard to reenter */
1648 /*****************************************************************************/
1649 /* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
1653 #define LEX_NOTPARSING 11 /* borrowed from toke.c */
1664 EXT U32 lex_state; /* next token is determined */
1665 EXT U32 lex_defer; /* state after determined token */
1666 EXT expectation lex_expect; /* expect after determined token */
1667 EXT I32 lex_brackets; /* bracket count */
1668 EXT I32 lex_formbrack; /* bracket count at outer format level */
1669 EXT I32 lex_fakebrack; /* outer bracket is mere delimiter */
1670 EXT I32 lex_casemods; /* casemod count */
1671 EXT I32 lex_dojoin; /* doing an array interpolation */
1672 EXT I32 lex_starts; /* how many interps done on level */
1673 EXT SV * lex_stuff; /* runtime pattern from m// or s/// */
1674 EXT SV * lex_repl; /* runtime replacement from s/// */
1675 EXT OP * lex_op; /* extra info to pass back on op */
1676 EXT OP * lex_inpat; /* in pattern $) and $| are special */
1677 EXT I32 lex_inwhat; /* what kind of quoting are we in */
1678 EXT char * lex_brackstack; /* what kind of brackets to pop */
1679 EXT char * lex_casestack; /* what kind of case mods in effect */
1681 /* What we know when we're in LEX_KNOWNEXT state. */
1682 EXT YYSTYPE nextval[5]; /* value of next token, if any */
1683 EXT I32 nexttype[5]; /* type of next token */
1686 EXT PerlIO * VOL rsfp INIT(Nullfp);
1689 EXT char * oldbufptr;
1690 EXT char * oldoldbufptr;
1692 EXT expectation expect INIT(XSTATE); /* how to interpret ambiguous tokens */
1693 EXT AV * rsfp_filters;
1695 EXT I32 multi_start; /* 1st line of multi-line string */
1696 EXT I32 multi_end; /* last line of multi-line string */
1697 EXT I32 multi_open; /* delimiter of said string */
1698 EXT I32 multi_close; /* delimiter of said string */
1701 EXT I32 error_count; /* how many errors so far, max 10 */
1702 EXT I32 subline; /* line this subroutine began on */
1703 EXT SV * subname; /* name of current subroutine */
1705 EXT CV * compcv; /* currently compiling subroutine */
1706 EXT AV * comppad; /* storage for lexically scoped temporaries */
1707 EXT AV * comppad_name; /* variable names for "my" variables */
1708 EXT I32 comppad_name_fill;/* last "introduced" variable offset */
1709 EXT I32 comppad_name_floor;/* start of vars in innermost block */
1710 EXT I32 min_intro_pending;/* start of vars to introduce */
1711 EXT I32 max_intro_pending;/* end of vars to introduce */
1712 EXT I32 padix; /* max used index in current "register" pad */
1713 EXT I32 padix_floor; /* how low may inner block reset padix */
1714 EXT I32 pad_reset_pending; /* reset pad on next attempted alloc */
1717 EXT I32 thisexpr; /* name id for nothing_in_common() */
1718 EXT char * last_uni; /* position of last named-unary operator */
1719 EXT char * last_lop; /* position of last list operator */
1720 EXT OPCODE last_lop_op; /* last list operator */
1721 EXT bool in_my; /* we're compiling a "my" declaration */
1722 EXT HV * in_my_stash; /* declared class of this "my" declaration */
1724 EXT I32 cryptseen; /* has fast crypt() been initialized? */
1727 EXT U32 hints; /* various compilation flags */
1729 /* Note: the lowest 8 bits are reserved for
1730 stuffing into op->op_private */
1731 #define HINT_INTEGER 0x00000001
1732 #define HINT_STRICT_REFS 0x00000002
1734 #define HINT_BLOCK_SCOPE 0x00000100
1735 #define HINT_STRICT_SUBS 0x00000200
1736 #define HINT_STRICT_VARS 0x00000400
1737 #define HINT_LOCALE 0x00000800
1739 /**************************************************************************/
1740 /* This regexp stuff is global since it always happens within 1 expr eval */
1741 /**************************************************************************/
1743 EXT char * regprecomp; /* uncompiled string. */
1744 EXT char * regparse; /* Input-scan pointer. */
1745 EXT char * regxend; /* End of input for compile */
1746 EXT I32 regnpar; /* () count. */
1747 EXT char * regcode; /* Code-emit pointer; ®dummy = don't. */
1748 EXT I32 regsize; /* Code size. */
1749 EXT I32 regnaughty; /* How bad is this pattern? */
1750 EXT I32 regsawback; /* Did we see \1, ...? */
1752 EXT char * reginput; /* String-input pointer. */
1753 EXT char * regbol; /* Beginning of input, for ^ check. */
1754 EXT char * regeol; /* End of input, for $ check. */
1755 EXT char ** regstartp; /* Pointer to startp array. */
1756 EXT char ** regendp; /* Ditto for endp. */
1757 EXT U32 * reglastparen; /* Similarly for lastparen. */
1758 EXT char * regtill; /* How far we are required to go. */
1759 EXT U16 regflags; /* are we folding, multilining? */
1760 EXT char regprev; /* char before regbol, \n if none */
1762 EXT bool do_undump; /* -u or dump seen? */
1765 /***********************************************/
1766 /* Global only to current interpreter instance */
1767 /***********************************************/
1772 struct interpreter {
1775 #define IINIT(x) INIT(x)
1778 /* pseudo environmental stuff */
1780 IEXT char ** Iorigargv;
1784 IEXT char * Iorigfilename;
1786 IEXT SV * Iwarnhook;
1787 IEXT SV * Iparsehook;
1789 /* Various states of an input record separator SV (rs, nrs) */
1790 #define RsSNARF(sv) (! SvOK(sv))
1791 #define RsSIMPLE(sv) (SvOK(sv) && SvCUR(sv))
1792 #define RsPARA(sv) (SvOK(sv) && ! SvCUR(sv))
1797 IEXT char Ipatchlevel[10];
1798 IEXT char ** Ilocalpatches;
1800 IEXT char * Isplitstr IINIT(" ");
1801 IEXT bool Ipreprocess;
1807 IEXT bool Idoswitches;
1809 IEXT bool Idoextract;
1810 IEXT bool Isawampersand; /* must save all match strings */
1811 IEXT bool Isawstudy; /* do fbm_instr on all strings */
1814 IEXT char * Iinplace;
1815 IEXT char * Ie_tmpname;
1816 IEXT PerlIO * Ie_fp;
1818 /* This value may be raised by extensions for testing purposes */
1819 IEXT int Iperl_destruct_level IINIT(0); /* 0=none, 1=full, 2=full with checks */
1821 /* magical thingies */
1822 IEXT Time_t Ibasetime; /* $^T */
1823 IEXT SV * Iformfeed; /* $^L */
1824 IEXT char * Ichopset IINIT(" \n-"); /* $: */
1825 IEXT SV * Irs; /* $/ */
1826 IEXT char * Iofs; /* $, */
1827 IEXT STRLEN Iofslen;
1828 IEXT char * Iors; /* $\ */
1829 IEXT STRLEN Iorslen;
1830 IEXT char * Iofmt; /* $# */
1831 IEXT I32 Imaxsysfd IINIT(MAXSYSFD); /* top fd to pass to subprocesses */
1832 IEXT int Imultiline; /* $*--do strings hold >1 line? */
1833 IEXT I32 Istatusvalue; /* $? */
1835 IEXT U32 Istatusvalue_vms;
1838 IEXT struct stat Istatcache; /* _ */
1840 IEXT SV * Istatname IINIT(Nullsv);
1842 /* shortcuts to various I/O objects */
1844 IEXT GV * Ilast_in_gv;
1847 IEXT GV * Idefoutgv;
1848 IEXT GV * Iargvoutgv;
1850 /* shortcuts to regexp stuff */
1854 IEXT PMOP * Icurpm; /* what to do \ interps from */
1855 IEXT I32 * Iscreamfirst;
1856 IEXT I32 * Iscreamnext;
1857 IEXT I32 Imaxscream IINIT(-1);
1858 IEXT SV * Ilastscream;
1860 /* shortcuts to misc objects */
1863 /* shortcuts to debugging objects */
1867 IEXT SV * IDBsingle;
1869 IEXT SV * IDBsignal;
1870 IEXT AV * Ilineary; /* lines of script for debugger */
1871 IEXT AV * Idbargs; /* args to call listed by caller function */
1874 IEXT HV * Idefstash; /* main symbol table */
1875 IEXT HV * Icurstash; /* symbol table for current package */
1876 IEXT HV * Idebstash; /* symbol table for perldb package */
1877 IEXT SV * Icurstname; /* name of current package */
1878 IEXT AV * Ibeginav; /* names of BEGIN subroutines */
1879 IEXT AV * Iendav; /* names of END subroutines */
1880 IEXT AV * Iinitav; /* names of INIT subroutines */
1881 IEXT HV * Istrtab; /* shared string table */
1883 /* memory management */
1884 IEXT SV ** Itmps_stack;
1885 IEXT I32 Itmps_ix IINIT(-1);
1886 IEXT I32 Itmps_floor IINIT(-1);
1888 IEXT I32 Isv_count; /* how many SV* are currently allocated */
1889 IEXT I32 Isv_objcount; /* how many objects are currently allocated */
1890 IEXT SV* Isv_root; /* storage for SVs belonging to interp */
1891 IEXT SV* Isv_arenaroot; /* list of areas for garbage collection */
1893 /* funky return mechanisms */
1894 IEXT I32 Ilastspbase;
1896 IEXT int Iforkprocess; /* so do_open |- can return proc# */
1898 /* subprocess state */
1899 IEXT AV * Ifdpid; /* keep fd-to-pid mappings for my_popen */
1901 /* internal state */
1902 IEXT VOL int Iin_eval; /* trap "fatal" errors? */
1903 IEXT OP * Irestartop; /* Are we propagating an error from croak? */
1904 IEXT int Idelaymagic; /* ($<,$>) = ... */
1905 IEXT bool Idirty; /* In the middle of tearing things down? */
1906 IEXT U8 Ilocalizing; /* are we processing a local() list? */
1907 IEXT bool Itainted; /* using variables controlled by $< */
1908 IEXT bool Itainting; /* doing taint checks */
1909 IEXT char * Iop_mask IINIT(NULL); /* masked operations for safe evals */
1913 IEXT I32 Idlmax IINIT(128);
1914 IEXT char * Idebname;
1915 IEXT char * Idebdelim;
1917 /* current interpreter roots */
1919 IEXT OP * Imain_root;
1920 IEXT OP * Imain_start;
1921 IEXT OP * Ieval_root;
1922 IEXT OP * Ieval_start;
1924 /* runtime control stuff */
1925 IEXT COP * VOL Icurcop IINIT(&compiling);
1926 IEXT COP * Icurcopdb IINIT(NULL);
1927 IEXT line_t Icopline IINIT(NOLINE);
1928 IEXT CONTEXT * Icxstack;
1929 IEXT I32 Icxstack_ix IINIT(-1);
1930 IEXT I32 Icxstack_max IINIT(128);
1931 IEXT JMPENV Istart_env; /* empty startup sigjmp() environment */
1932 IEXT JMPENV * Itop_env; /* ptr. to current sigjmp() environment */
1936 IEXT AV * Icurstack; /* THE STACK */
1937 IEXT AV * Imainstack; /* the stack when nothing funny is happening */
1939 /* format accumulators */
1940 IEXT SV * Iformtarget;
1941 IEXT SV * Ibodytarget;
1942 IEXT SV * Itoptarget;
1944 /* statics moved here for shared library purposes */
1945 IEXT SV Istrchop; /* return value from chop */
1946 IEXT int Ifilemode; /* so nextargv() can preserve mode */
1947 IEXT int Ilastfd; /* what to preserve mode on */
1948 IEXT char * Ioldname; /* what to preserve mode on */
1949 IEXT char ** IArgv; /* stuff to free from do_aexec, vfork safe */
1950 IEXT char * ICmd; /* stuff to free from do_aexec, vfork safe */
1951 IEXT OP * Isortcop; /* user defined sort routine */
1952 IEXT HV * Isortstash; /* which is in some package or other */
1953 IEXT GV * Ifirstgv; /* $a */
1954 IEXT GV * Isecondgv; /* $b */
1955 IEXT AV * Isortstack; /* temp stack during pp_sort() */
1956 IEXT AV * Isignalstack; /* temp stack during sighandler() */
1957 IEXT SV * Imystrk; /* temp key string for do_each() */
1958 IEXT I32 Idumplvl; /* indentation level on syntax tree dump */
1959 IEXT PMOP * Ioldlastpm; /* for saving regexp context during debugger */
1960 IEXT I32 Igensym; /* next symbol for getsym() to define */
1961 IEXT bool Ipreambled;
1962 IEXT AV * Ipreambleav;
1963 IEXT int Ilaststatval IINIT(-1);
1964 IEXT I32 Ilaststype IINIT(OP_STAT);
1969 IEXT SV * Ithrsv; /* holds struct thread for main thread */
1970 #endif /* USE_THREADS */
1978 struct interpreter {
1993 #define Perl_sv_setptrobj(rv,ptr,name) Perl_sv_setref_iv(rv,name,(IV)ptr)
1994 #define Perl_sv_setptrref(rv,ptr) Perl_sv_setref_iv(rv,Nullch,(IV)ptr)
1996 #define sv_setptrobj(rv,ptr,name) sv_setref_iv(rv,name,(IV)ptr)
1997 #define sv_setptrref(rv,ptr) sv_setref_iv(rv,Nullch,(IV)ptr)
2004 /* The following must follow proto.h */
2008 EXT MGVTBL vtbl_sv = {magic_get,
2012 EXT MGVTBL vtbl_env = {0, magic_set_all_env,
2013 0, magic_clear_all_env,
2015 EXT MGVTBL vtbl_envelem = {0, magic_setenv,
2018 EXT MGVTBL vtbl_sig = {0, 0, 0, 0, 0};
2019 EXT MGVTBL vtbl_sigelem = {magic_getsig,
2023 EXT MGVTBL vtbl_pack = {0, 0, 0, magic_wipepack,
2025 EXT MGVTBL vtbl_packelem = {magic_getpack,
2029 EXT MGVTBL vtbl_dbline = {0, magic_setdbline,
2031 EXT MGVTBL vtbl_isa = {0, magic_setisa,
2034 EXT MGVTBL vtbl_isaelem = {0, magic_setisa,
2036 EXT MGVTBL vtbl_arylen = {magic_getarylen,
2039 EXT MGVTBL vtbl_glob = {magic_getglob,
2042 EXT MGVTBL vtbl_mglob = {0, magic_setmglob,
2044 EXT MGVTBL vtbl_nkeys = {0, magic_setnkeys,
2046 EXT MGVTBL vtbl_taint = {magic_gettaint,magic_settaint,
2048 EXT MGVTBL vtbl_substr = {0, magic_setsubstr,
2050 EXT MGVTBL vtbl_vec = {0, magic_setvec,
2052 EXT MGVTBL vtbl_pos = {magic_getpos,
2055 EXT MGVTBL vtbl_bm = {0, magic_setbm,
2057 EXT MGVTBL vtbl_fm = {0, magic_setfm,
2059 EXT MGVTBL vtbl_uvar = {magic_getuvar,
2063 EXT MGVTBL vtbl_mutex = {0, 0, 0, 0, magic_mutexfree};
2064 #endif /* USE_THREADS */
2065 EXT MGVTBL vtbl_defelem = {magic_getdefelem,magic_setdefelem,
2066 0, 0, magic_freedefelem};
2068 #ifdef USE_LOCALE_COLLATE
2069 EXT MGVTBL vtbl_collxfrm = {0,
2075 EXT MGVTBL vtbl_amagic = {0, magic_setamagic,
2076 0, 0, magic_setamagic};
2077 EXT MGVTBL vtbl_amagicelem = {0, magic_setamagic,
2078 0, 0, magic_setamagic};
2079 #endif /* OVERLOAD */
2084 EXT MGVTBL vtbl_env;
2085 EXT MGVTBL vtbl_envelem;
2086 EXT MGVTBL vtbl_sig;
2087 EXT MGVTBL vtbl_sigelem;
2088 EXT MGVTBL vtbl_pack;
2089 EXT MGVTBL vtbl_packelem;
2090 EXT MGVTBL vtbl_dbline;
2091 EXT MGVTBL vtbl_isa;
2092 EXT MGVTBL vtbl_isaelem;
2093 EXT MGVTBL vtbl_arylen;
2094 EXT MGVTBL vtbl_glob;
2095 EXT MGVTBL vtbl_mglob;
2096 EXT MGVTBL vtbl_nkeys;
2097 EXT MGVTBL vtbl_taint;
2098 EXT MGVTBL vtbl_substr;
2099 EXT MGVTBL vtbl_vec;
2100 EXT MGVTBL vtbl_pos;
2103 EXT MGVTBL vtbl_uvar;
2106 EXT MGVTBL vtbl_mutex;
2107 #endif /* USE_THREADS */
2109 EXT MGVTBL vtbl_defelem;
2111 #ifdef USE_LOCALE_COLLATE
2112 EXT MGVTBL vtbl_collxfrm;
2116 EXT MGVTBL vtbl_amagic;
2117 EXT MGVTBL vtbl_amagicelem;
2118 #endif /* OVERLOAD */
2120 #endif /* !DOINIT */
2124 EXT long amagic_generation;
2126 #define NofAMmeth 58
2128 EXTCONST char * AMG_names[NofAMmeth] = {
2129 "fallback", "abs", /* "fallback" should be the first. */
2160 EXTCONST char * AMG_names[NofAMmeth];
2161 #endif /* def INITAMAGIC */
2167 CV* table[NofAMmeth];
2170 struct am_table_short {
2175 typedef struct am_table AMT;
2176 typedef struct am_table_short AMTS;
2178 #define AMGfallNEVER 1
2180 #define AMGfallYES 3
2182 #define AMTf_AMAGIC 1
2183 #define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
2184 #define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
2185 #define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
2188 fallback_amg, abs_amg,
2189 bool__amg, nomethod_amg,
2190 string_amg, numer_amg,
2191 add_amg, add_ass_amg,
2192 subtr_amg, subtr_ass_amg,
2193 mult_amg, mult_ass_amg,
2194 div_amg, div_ass_amg,
2195 mod_amg, mod_ass_amg,
2196 pow_amg, pow_ass_amg,
2197 lshift_amg, lshift_ass_amg,
2198 rshift_amg, rshift_ass_amg,
2199 band_amg, band_ass_amg,
2200 bor_amg, bor_ass_amg,
2201 bxor_amg, bxor_ass_amg,
2214 repeat_amg, repeat_ass_amg,
2215 concat_amg, concat_ass_amg,
2220 * some compilers like to redefine cos et alia as faster
2221 * (and less accurate?) versions called F_cos et cetera (Quidquid
2222 * latine dictum sit, altum viditur.) This trick collides with
2223 * the Perl overloading (amg). The following #defines fool both.
2228 # define F_atan2_amg atan2_amg
2231 # define F_cos_amg cos_amg
2234 # define F_exp_amg exp_amg
2237 # define F_log_amg log_amg
2240 # define F_pow_amg pow_amg
2243 # define F_sin_amg sin_amg
2246 # define F_sqrt_amg sqrt_amg
2248 #endif /* _FASTMATH */
2250 #endif /* OVERLOAD */
2252 #define PERLDB_ALL 0xff
2253 #define PERLDBf_SUB 0x01 /* Debug sub enter/exit. */
2254 #define PERLDBf_LINE 0x02 /* Keep line #. */
2255 #define PERLDBf_NOOPT 0x04 /* Switch off optimizations. */
2256 #define PERLDBf_INTER 0x08 /* Preserve more data for
2257 later inspections. */
2258 #define PERLDBf_SUBLINE 0x10 /* Keep subr source lines. */
2259 #define PERLDBf_SINGLE 0x20 /* Start with single-step on. */
2261 #define PERLDB_SUB (perldb && (perldb & PERLDBf_SUB))
2262 #define PERLDB_LINE (perldb && (perldb & PERLDBf_LINE))
2263 #define PERLDB_NOOPT (perldb && (perldb & PERLDBf_NOOPT))
2264 #define PERLDB_INTER (perldb && (perldb & PERLDBf_INTER))
2265 #define PERLDB_SUBLINE (perldb && (perldb & PERLDBf_SUBLINE))
2266 #define PERLDB_SINGLE (perldb && (perldb & PERLDBf_SINGLE))
2268 #ifdef USE_LOCALE_COLLATE
2269 EXT U32 collation_ix; /* Collation generation index */
2270 EXT char * collation_name; /* Name of current collation */
2271 EXT bool collation_standard INIT(TRUE); /* Assume simple collation */
2272 EXT Size_t collxfrm_base; /* Basic overhead in *xfrm() */
2273 EXT Size_t collxfrm_mult INIT(2); /* Expansion factor in *xfrm() */
2274 #endif /* USE_LOCALE_COLLATE */
2276 #ifdef USE_LOCALE_NUMERIC
2278 EXT char * numeric_name; /* Name of current numeric locale */
2279 EXT bool numeric_standard INIT(TRUE); /* Assume simple numerics */
2280 EXT bool numeric_local INIT(TRUE); /* Assume local numerics */
2282 #define SET_NUMERIC_STANDARD() \
2284 if (! numeric_standard) \
2285 perl_set_numeric_standard(); \
2288 #define SET_NUMERIC_LOCAL() \
2290 if (! numeric_local) \
2291 perl_set_numeric_local(); \
2294 #else /* !USE_LOCALE_NUMERIC */
2296 #define SET_NUMERIC_STANDARD() /**/
2297 #define SET_NUMERIC_LOCAL() /**/
2299 #endif /* !USE_LOCALE_NUMERIC */
2301 #if !defined(PERLIO_IS_STDIO) && defined(HAS_ATTRIBUTE)
2303 * Now we have __attribute__ out of the way
2306 #define printf PerlIO_stdoutf
2310 * nice_chunk and nice_chunk size need to be set
2311 * and queried under the protection of sv_mutex
2313 #define offer_nice_chunk(chunk, chunk_size) do { \
2314 MUTEX_LOCK(&sv_mutex); \
2315 if (!nice_chunk) { \
2316 nice_chunk = (char*)(chunk); \
2317 nice_chunk_size = (chunk_size); \
2319 MUTEX_UNLOCK(&sv_mutex); \
2322 #endif /* Include guard */